Sip and/or Puff Switch - Use Pneumatic Switch

Puffin the Sip-and-Puff Joystick Controller is a low-cost sip-and-puff joystick for persons with severe physical disabilities, neurological disabilities, or spinal cord injury that allows the user to control a smartphone, laptop or tablet. It is known to help people living with various disabilities, including paraplegia and cerebral palsy, diabetes, neuropathic facial pain and hearing and vision impairments. The overall design as well as the components include something to hold the mouse, a phys